Question

a.
d. To make our work faster.
C.
d. output.
a.
a.
inclined plane
A. Multiple Choice Questions (MCQs)
1. Which of the following is not a function of a machine?
b. To enable us lift more load with less force.
To make our work convenient.
To enable us make the measurement correctly.
2. A force applied to a machine to do mechanical work is called
effort
b. load
c. efficiency
3. A beam balance is an example of
b. lever of first type
lever of second type
d. lever of third type.
4. The door knob of the house is an example of
a. lever
b. inclined plane
c. wedge
d. wheel and axle arrangement.
5. The proper care and maintenance of machines require
to make them good looking
b. for preserving them for future
c. for their efficient and longer use
d. All of these.
C.
a.​

Answer 1

Answer:

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